Want to add extra seat on your fishing boat? Get the Springfield Plug-in Series Removable 2-3/8 Pedestal. Featuring a Taper-Lock design, this pedestal offers secure and stable support to the seat. The pedestal has a slight taper design that snugly fits the corresponding taper of the pedestal base to ensure a tight fit. This pedestal’s Taper-Lock bushing has a locking tab that provides a firm fit and prevents the pedestal from turning freely.